>> >> Do capture work as there is no output of snd_pcm_dump of the snd-usb-audio 's hw params ? >> > Well, after system restart Mic is not working, while it is available and selected in UI. > After single switch to Line and back to Mic it starts working fine. > I wasn't able to reproduce it twice during working session, so, here is verbose log of the first start right after system restart where Mic was initially selected but didn't work, and started working after switching to Line and back: http://pastebin.com/fr0cTUu3
During Activating path analog-input-mic, You may need add pa_log_info() to element_set_volume() , element_set_switch() and element_set_option() to log alsa mixer element and values (mic capture volume, mic capture switch and pcm capture source) set by pulseaudio 0.166| 0.000) D: [pulseaudio] alsa-mixer.c: Activating path analog-input-mic ( 0.166| 0.000) D: [pulseaudio] alsa-mixer.c: Path analog-input-mic (Microphone), direction=2, priority=87, probed=yes, supported=yes, has_mute=yes, has_volume=yes, has_dB=yes, min_volume=0, max_volume=48, min_dB=-12, max_dB=12 ( 0.166| 0.000) D: [pulseaudio] alsa-mixer.c: Element Mic, direction=2, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=4, required_absent=0, mask=0x3600000000f66, n_channels=2, override_map=yes ( 0.166| 0.000) D: [pulseaudio] alsa-mixer.c: Element PCM Capture Source, direction=2, switch=0, volume=0, volume_limit=-1, enumeration=1, required=0, required_any=0, required_absent=0, mask=0x0, n_channels=0, override_map=no ( 0.166| 0.000) D: [pulseaudio] alsa-mixer.c: Option Mic (analog-input-microphone/analog-input-microphone) index=0, priority=0 ( 0.166| 0.000) D: [pulseaudio] alsa-mixer.c: Element Line, direction=2, switch=2, volume=2, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x6, n_channels=2, override_map=no ( 0.166| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Mic, alsa_name='Mic Jack', detection unavailable ( 0.166| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Mic Phantom, alsa_name='Mic Phantom Jack', detection unavailable ( 0.166| 0.000) D: [pulseaudio] alsa-mixer.c: Setting analog-input-microphone (analog-input-microphone) priority=0 ( 0.166| 0.000) I: [pulseaudio] alsa-source.c: Successfully enabled deferred volume.
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